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Calling Feature Support
(Varies with feature server/gateway)
n
Caller ID
m
Name and Number
m
Name
m
Number
m
Call Waiting IAD
n
Voice Mail
m
Stutter dialtone
m
Visual Message Waiting Indicator (VMWI)
n
Call Hold
n
Call Forward
m
Busy Line
m
No Answer
n
Call Transfer
m
Blind, Attended
n
Call Waiting
n
Distinctive Ring
n
Do Not Disturb
n
Three-way Calling
n
Call Return
n
Speed Dial
Packet-based Voice Resources
n
CODECs
m
G.711-64k PCM
m
G.729a-8k CS-ACELP
n
G.168 Echo Cancellation
n
64ms Echo-tail Length
n
Supports up to 16 Channels
Media Stream
n
RTP/UDP/IP (RFS 3550)
n
RTP Payload for DTMF Digits (RFC 2833)
n
Supports Port-to-port Hairpin Call
n
SDP (RFC 2327)
NAT Traversal and Remote Survivability
n
B2BUA
n
SIP Registrar for IP phones
Switching Performance
n
Non-blocking
n
8,000 MAC Addresses
n
16-MB Memory Shared by all Ports
n
8.8 Gbps Maximum Forwarding Bandwidth
Power over Ethernet
n
802.3af (15.4 watts/port)
n
370 Total Watts
n
Power Provided over Ethernet Data Leads
Spanning Tree Support
n
802.1D Spanning Tree
n
802.1w Rapid Spanning Tree
VLAN Support
n
Port-based VLANs
n
802.1Q Tagged Trunked VLANS
n
Support for up to 255 Active VLANs
n
Inter-VLAN Routing
n
GARP VLAN Registration Protocol (GVRP)
Link Aggregation
n
802.3ad Link Aggregation
n
Support for Six Trunk Groups
n
Trunk Groups Consist of up to Eight Access Ports
Routing Performance
n
128 MB DRAM
n
32 MB Flash
Protocols
n
eBGP/iBGP
n
PPP
n
OSPF
n
Multilink PPP
n
RIP (v1 and v2)
n
PPPoE
n
PIM Sparse Mode
n
PPPoA
n
Demand Routing
n
IGMP v2
n
Policy-based Routing
n
RFC 1483
n
GRE
n
HDLC
n
ATM (ADSL)
n
PPP Dial Backup
n
Frame Relay
n
PAP and CHAP
n
Multilink Frame Relay
n
Multihoming
n
Layer 3 Backup
n
SIP
Quality of Service
n
Low Latency Queuing
n
Weighted Fair Queuing
n
Class-based Weighted Fair Queuing
n
DiffServ Aware/Marking
n
Frame Relay Fragmentation (FRF.12)
Class of Service
n
Enforces 802.1p Priorities DiffServ
n
Four Output Queues per Egress Port
n
Weighted Round Robin
n
Strict Priority Queuing